Re: [LEAPSECS] What problems do leap seconds *really* create?

From: Markus Kuhn <Markus.Kuhn_at_CL.CAM.AC.UK>
Date: Thu, 30 Jan 2003 14:55:13 +0000

Ken Pizzini wrote on 2003-01-30 06:06 UTC:
> On Wed, Jan 29, 2003 at 07:04:23PM +0000, Markus Kuhn wrote:
> > Who really needs to maintain a full list of leap seconds and for what
> > application exactly?
>
> If a file storage system stores timestamps as "SI seconds since
> some epoch",

As I noted earlier, de facto and "de jure" (meaning POSIX.1:1996,
section 2.2.2.113), any real world Unix file system (and that's where
the term "seconds since the epoch" comes from in this context) uses a
timestamp that counts "non-leap seconds since the epoch".

http://www.cl.cam.ac.uk/~mgk25/volatile/posix-2-2-2-113.pdf

Markus

--
Markus Kuhn, Computer Lab, Univ of Cambridge, GB
http://www.cl.cam.ac.uk/~mgk25/ | __oo_O..O_oo__
Received on Thu Jan 30 2003 - 06:55:20 PST

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